[Event "WCh Women 2018"] [Site "Chongqing/Shanghai CHN"] [Date "2018.05.03"] [Round "1"] [White "Ju, Wenjun"] [Black "Tan, Zhongyi"] [Result "1/2-1/2"] [ECO "D20"] [WhiteElo "2571"] [BlackElo "2522"] [PlyCount "126"] [EventDate "2018.05.03"] 1. d4 d5 {A slight surprise on move one. Tan's usual defense to 1.d4 is the Nimzo-Indian.} 2. c4 dxc4 {And this Tan never played before!} 3. e4 {Ju varied this move with 3.Nf3 over her career.} c5 $5 (3... e5 {is the main line and the two knight moves are also more popular.}) (3... Nf6) (3... Nc6) 4. d5 e6 5. Bxc4 Nf6 6. Nc3 exd5 7. exd5 a6 8. a4 Bd6 9. Nf3 (9. Qe2+ Qe7 10. Qxe7+ Kxe7 11. Bg5 Bf5 12. Nge2 h6 13. Ng3 {is known to be quite a pleasant endgame for White.}) 9... O-O 10. O-O Bg4 (10... h6 11. h3 Bf5 12. Nh4 Bh7 13. Bd3 Be5 14. Bxh7+ Kxh7 15. Qd3+ Kh8 16. Rd1 Nbd7 17. Nf5 Rc8 {Lopez Mulet,I (2305) -Cifuentes Parada,R (2474) Linares 2017}) 11. h3 Bh5 12. Bg5 Re8 13. Bd3 Nbd7 $146 (13... Bg6 14. Bxg6 hxg6 15. Nd2 Nbd7 16. Nc4 Nb6 17. Qb3 Nxc4 18. Qxc4 Qb6 {Wong,Y (1959)-Kiss,P (2336) Kecskemet 2015}) 14. Ne4 Ne5 {"Major disagreement between Ju Wenjun and Tan Zhongyi came over the merits of 14... Ne5 - dodgy, felt challenger Ju, strong and necessary said Tan." - GM Ian Rogers} 15. g4 {This is kind of forced.} (15. Bxf6 Nxf3+ 16. Qxf3 Bxf3 17. Bxd8 Bxe4 18. Bxe4 Rxe4 19. Ba5 Rae8 {is better for Black.}) 15... Nxd3 (15... Bg6 $5) 16. Bxf6 gxf6 17. Qxd3 Bg6 18. Rae1 Qe7 (18... b5 $5) 19. Nfd2 Bf4 20. Qf3 (20. d6 $5 Qe6 21. Qc3 Be5 22. Qxc5) 20... Qe5 21. Re2 f5 22. gxf5 (22. Nc3 Qd6 23. Nc4 Bh2+ 24. Kg2 Qf4) 22... Qxf5 23. Rfe1 Re5 24. Nc4 Bh2+ 25. Kg2 Qxf3+ 26. Kxf3 Bxe4+ 27. Rxe4 Rxe4 28. Rxe4 Rd8 (28... b5 29. Ne3 Kf8 {was perhaps slightly more accurate.}) 29. Ne3 b5 30. axb5 (30. Re7 $5 bxa4 31. Ra7 { might have given White an edge.}) 30... axb5 31. Re7 Kf8 32. Ra7 Be5 33. b3 c4 34. bxc4 bxc4 35. Ke4 Re8 36. Kf3 c3 37. Ra6 Rc8 38. Ke4 Bh2 39. Rc6 Rxc6 40. dxc6 Ke7 41. Nd5+ Kd6 42. Nxc3 Kxc6 43. Kf5 Bg1 44. Ne4 h6 45. Ke5 Kd7 46. Kf4 Bh2+ 47. Kf5 Ke7 48. Nf6 Bg1 49. f3 Kf8 50. Nh5 Bb6 51. Kg4 Ba5 52. Ng3 Kg7 53. Kf5 Bc7 54. Nh5+ Kf8 55. f4 Ba5 56. Ke5 Bc7+ 57. Ke4 Ba5 58. Ng3 Kg7 59. Kf5 Bd2 60. Ne4 Be3 61. h4 h5 62. Nd6 f6 63. Ne4 Kf7 1/2-1/2 [Event "Chongqing/Shanghai CHN"] [Site "Chongqing/Shanghai CHN"] [Date "2018.05.04"] [Round "2"] [White "Tan, Zhongyi"] [Black "Ju, Wenjun"] [Result "0-1"] [ECO "A21"] [WhiteElo "2522"] [BlackElo "2571"] [PlyCount "110"] [EventDate "2018.05.03"] 1. c4 e5 {This time Ju surprises on move one; normally she plays 1...Nf6 or 1.. .g6.} 2. Nc3 Bb4 3. d3 Bxc3+ 4. bxc3 d6 5. g3 f5 6. Bg2 Nf6 7. Rb1 (7. Nf3 O-O 8. O-O c5 9. Nd2 Nc6 10. f4 Be6 11. e4 exf4 12. Rxf4 Qd7 13. Rb1 Rae8 {Krylov, M (2476)-Volovikov,A (2271) Serpukhov 2018}) 7... c6 8. Nf3 Qc7 9. O-O O-O 10. Bg5 $146 (10. Qb3 c5 11. Ng5 Nc6 12. Qb5 h6 13. Nh3 Na5 14. f4 e4 15. Nf2 Bd7 16. Qb2 Bc6 {Ehlert,H (1923)-Gross,T (2152) Verden 2008}) 10... Nbd7 11. Nd2 h6 12. Bxf6 Nxf6 13. e4 Be6 14. Bh3 Qd7 15. exf5 Bxf5 16. Bxf5 Qxf5 17. Ne4 (17. Rxb7 Qxd3 18. Nb3 Qxd1 19. Rxd1 Ne4 {is OK for Black.}) 17... Qd7 18. Qb3 Nxe4 19. dxe4 Rf7 20. Rfd1 Qg4 21. Rxd6 Qe2 $1 ({Slightly stronger than} 21... Qxe4) 22. Rf1 $6 ({Giving back the pawn immediately was much safer, e.g.} 22. Qb2 Qxc4 23. Re1 Raf8 24. Rd2 {and White is only slightly worse.}) 22... Raf8 23. c5 Kh7 {Now Black's pressure is very strong.} 24. Qd1 {The only move but it loses a2.} Qxa2 25. Qb1 Qc4 26. Rd2 a5 {Now Black can try to play on two wings. The difference with the line starting with 22.Qb2 is clear.} 27. Qb6 Qxc3 28. Rb2 h5 29. Ra2 a4 30. Qb2 Qxc5 31. Rxa4 g6 32. Qd2 Kg7 33. Ra5 Qd4 34. Qxd4 exd4 35. f4 Rd8 36. Kf2 b6 37. Ra6 c5 38. Rxb6 Ra7 39. f5 $2 {Tan has defended well but now, in time trouble, she errs.} ({White should have played} 39. Rc6 { immediately, which should draw, e.g.} Rb8 (39... Ra2+ 40. Kf3 d3 41. Rxc5 Rxh2) (39... Ra5 40. e5 d3 41. Ke3) 40. e5 $1 Rb2+ 41. Kf3 Ra3+ 42. Ke4 Re2+ 43. Kd5 d3 44. Rxc5 d2 45. Rd1) 39... gxf5 40. exf5 d3 {Now White is too late to organize her pieces.} 41. Rc6 Ra2+ 42. Kf3 d2 43. Rc7+ Kf6 44. Rc6+ Ke7 45. Rd1 Rc2 46. h3 c4 {Black is simply faster.} 47. g4 hxg4+ 48. hxg4 Rc1 49. Ke2 c3 50. Rc7+ Kf6 51. Rc6+ Kg5 52. Kf3 Rg8 53. Ke2 Rh8 54. Rd6 Rxd1 55. Kxd1 Rh1+ ( 55... Rh1+ 56. Kc2 Rc1+) 0-1 [Event "?"] [Site "?"] [Date "2018.05.04"] [Round "2.1"] [White "Tan, Zhongyi"] [Black "Ju, Wenjun"] [Result "0-1"] [ECO "A21"] [WhiteElo "2522"] [BlackElo "2571"] [Annotator "Bojkov, Dejan"] [PlyCount "110"] [EventDate "2018.??.??"] 1. c4 e5 2. Nc3 Bb4 {A sort of Advanced Rossolimo line with reversed colors.} 3. d3 {Already quite a rare move.} (3. Nd5 {to make use of the bishop's position at once is more common, for example:} a5 4. Nf3 d6 5. a3 Bc5 6. e3 Nf6 7. d4 Nxd5 8. cxd5 exd4 9. exd4 Bb6 10. Bg5 f6 11. Be3 {as in Cheparinov,I (2702)-Li,S (2519) China 2018}) 3... Bxc3+ 4. bxc3 d6 5. g3 f5 6. Bg2 Nf6 7. Rb1 ({Or:} 7. Nf3 O-O 8. O-O c5 9. Nd2 Nc6 10. f4 Be6 11. e4 exf4 12. Rxf4 Qd7 {with approximately equal game in Krylov,M (2476)-Volovikov,A (2271) Serpukhov 2018}) 7... c6 8. Nf3 Qc7 9. O-O O-O 10. Bg5 $146 {A novelty, which does not give anything substantial to White.} ({In the only predecessor Black got excellent position after:} 10. Qb3 c5 11. Ng5 (11. Nh4 $5) 11... Nc6 12. Qb5 h6 13. Nh3 Na5 14. f4 e4 15. Nf2 Bd7 16. Qb2 Bc6 {Ehlert,H (1923)-Gross,T (2152) Verden 2008}) 10... Nbd7 11. Nd2 h6 12. Bxf6 Nxf6 {Ju can be happy with her opening.The only potential problem of b7 is well covered. While Black can easily advance her kingside pawns. In fact it seems easier to be Black here as her moves are more obvious.} 13. e4 Be6 {One of the good moves that Black has.} ({Both} 13... f4) ({And} 13... fxe4 14. Nxe4 Be6 {lead to perfectly comforatble positions for the second player.}) 14. Bh3 Qd7 15. exf5 Bxf5 16. Bxf5 Qxf5 17. Ne4 ({Perhaps Tan should have forced matters with:} 17. Rxb7 Qxd3 18. Nb3 Qxd1 ({Less convincing is:} 18... Qxc3 19. Qxd6 Qxc4 20. Qxe5) ({Or} 18... Qxc4 19. Qxd6 Qxc3 20. Qe7 {with advantage for White.}) 19. Rxd1 Ne4 20. Re1 Nxc3 21. c5 $1 {with equality. For instance:} Rf7 22. Rxf7 Kxf7 23. cxd6 Ke6 24. Re3 Nd5 25. Nd4+ Kxd6 26. Nf5+) 17... Qd7 18. Qb3 Nxe4 19. dxe4 Rf7 $1 {Now Black is definitely better. She can defend the weakness on b7 sideways, while attacking. White has a bunch of weak pawns and what is more important-her king is not as safe as it seems.} 20. Rfd1 ({After} 20. c5 dxc5 21. Qc4 {Black can keep the pawn with} b6 22. a4 Qe7) 20... Qg4 $5 {Aggressive play.} ({On} 20... b6 {White has} 21. c5 $1 bxc5 22. Rd2 {followed by the doubling on the d-file and compensation for a pawn.}) 21. Rxd6 Qe2 {Another cunning move, which tries to force a concession.} ({Also good was the immediate capture:} 21... Qxe4 {when White has to be extremely careful. For example:} 22. Rbd1 $2 {leads to trouble after:} ({When White needs to defend with} 22. Rd2 $1) 22... Rxf2 $1 23. Kxf2 Rf8+ 24. Kg1 Qe3+ {And if} 25. Kg2 $2 {White gets mated with} ({Now best defense is:} 25. Kh1 $1 Rf2 26. c5+ Kh7 27. Rxh6+ Qxh6 28. Qb1+ Qg6 {although White still needs to work hard to save the half point.}) 25... Rf2+ 26. Kh3 Qe2 27. Rd8+ Kh7 28. Qb1+ e4) 22. Rf1 $2 { A very unfortunate decision. Passive defense with only heavy pieces on the board is a sin.} ({Correct was:} 22. Qb2 $1 Qxe4 23. c5) ({Or even:} 22. Rb2 $1 {despite the loss of a pawn with a check after:} Qe1+ 23. Kg2 Qxe4+ 24. Kg1 { White can still defend.}) 22... Raf8 {Now the White pieces are stuck and Tan has to give material back without getting any relief in return as she cannot expell the black pieces from their active ppositions.} 23. c5 ({Or} 23. Qd1 Qxa2) 23... Kh7 24. Qd1 Qxa2 25. Qb1 Qc4 26. Rd2 a5 $1 {Ju keeps the queens on the board.} ({Weaker was} 26... Qxc5 27. Qb4 Qxb4 28. cxb4 {with chances for White to defend the rook endgame.}) 27. Qb6 Qxc3 28. Rb2 ({After} 28. Ra2 { Black can either defend the pawn} Ra8 ({Or even better push it} 28... a4 {as} 29. Rxa4 $2 {fails to} Rxf2 $1 30. Rxf2 Qe1+ 31. Kg2 Rxf2+ 32. Kh3 Qf1+ 33. Kg4 Qe2+ 34. Kh4 Rxh2#)) 28... h5 {Looking for a second weakness on the kingside.} ({Also good was} 28... Rd7 29. Ra2 Ra8) 29. Ra2 ({The weakness is obvious after } 29. h4 Qd4 30. Ra2 Rf3 31. Kg2 Qxe4) 29... a4 ({No time for} 29... h4 30. Qxa5) 30. Qb2 ({Once again the pawn is poisoned-} 30. Rxa4 $2 Rxf2 31. Rxf2 Qe1+ 32. Kg2 Rxf2+ 33. Kh3 Qf1+ 34. Kh4 Rxh2+ 35. Kg5 Qf6#) 30... Qxc5 ({ Since the position changed a bit, there was an argument for} 30... Qxb2 31. Rxb2 Ra8 32. Ra1 Ra5 {This time with good winning chances for Black as she can actively use her rook on the a5 square.}) 31. Rxa4 g6 {Ju won a pawn and achieved close to won positon. But in the coming moves lets the advantage slip away.} ({Here both} 31... Rf3 $1 32. Rb4 b5) ({And} 31... b5 $1 {looked great for Black when the win should be a matter of time.}) 32. Qd2 Kg7 33. Ra5 Qd4 ( 33... b5 {is no longer as convincing after} 34. Ra6) 34. Qxd4 exd4 35. f4 { Finally a rook endgame emerged but one in which Black's extra pawn is not felt seriously. Both white rooks are good, and so are her kingside pawns.} Rd8 36. Kf2 b6 37. Ra6 c5 (37... Rb7 {is too passive and allows no winning chances after} 38. Rb1 Rdb8 39. Ke2) 38. Rxb6 Ra7 39. f5 $2 {A nervous move, most likely in time trouble.} ({After the correct} 39. Rc6 $1 {White should hold. For example:} Ra2+ 40. Kf3 Ra3+ 41. Kf2 Rc3 42. Ra1 d3 43. e5 c4 44. Ra7+ Kh6 45. Raa6 d2 46. Rxg6+ Kh7 47. Rh6+ Kg8 48. Rag6+ Kf8 ({Not} 48... Kf7 $4 49. e6+ Ke7 50. Rh7+ Kd6 51. e7+ {when it is White who wins.}) 49. Rh8+ {with a curious draw after} Kf7 50. Rf6+ Kg7 51. Rxd8 Rd3 52. Rfd6 d1=Q 53. R8d7+) 39... gxf5 40. exf5 {The white passer is not dangerous as it is nicely blocked by the black king, whereas the black pawn duo marches fast.} d3 41. Rc6 Ra2+ { A nasty little check.} 42. Kf3 (42. Ke1 {loses to} Rb8 $1) ({If} 42. Ke3 Re2+ 43. Kf4 (43. Kf3 Rd5) 43... d2 {would also see the black pawns promote soon.}) 42... d2 {Back is perfectly co-ordinated and after some careful moves the contender converted the advantage.} 43. Rc7+ Kf6 44. Rc6+ Ke7 ({Avoiding the trap-} 44... Kxf5 $2 45. Rxc5+ Kg6 46. Rc6+ Kf7 47. Ke2+ Kg8 48. Rd1) 45. Rd1 ( 45. f6+ {does not help after} Kf7) 45... Rc2 46. h3 c4 47. g4 hxg4+ 48. hxg4 Rc1 49. Ke2 c3 50. Rc7+ Kf6 51. Rc6+ Kg5 52. Kf3 Rg8 $1 {Caution is required even in completely won positions.} (52... Rxd1 $4 {would have let the win slip away after} 53. Rg6+ Kh4 54. Rh6+ Kg5 55. Rg6+) 53. Ke2 Rh8 54. Rd6 Rxd1 55. Kxd1 Rh1+ 0-1 [Event "Shanghai"] [Site "Shanghai"] [Date "2018.05.06"] [Round "3"] [White "Ju, Wenjun"] [Black "Tan, Zhongyi"] [Result "1-0"] [WhiteElo "2571"] [BlackElo "2522"] [Annotator "Georgios Souleidis"] [PlyCount "53"] [EventDate "2018.??.??"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nc6 6. O-O Rb8 7. Nc3 b5 8. Ne5 Nxe5 9. dxe5 Nd7 10. Qc2 Bb7 11. Bxb7 Rxb7 12. Rd1 Be7 (12... Qc8 13. Ne4 (13. a4 $6 b4 14. Nb5 $6 a6 15. Nd4 c5 $17 16. Nf3 c3 17. bxc3 b3 18. Qb2 c4 19. Bf4 Be7 20. a5 O-O 21. h4 h6 22. Kh2 Qc6 23. Rd4 Qb5 24. Qd2 Bc5 25. Re4 f5 26. exf6 Nxf6 27. Rxe6 Rd7 28. Qb2 Ng4+ 29. Kg2 Bxf2 30. Rf1 Qf5 31. Rxa6 Bxg3 32. Bd2 Rxd2 33. Qxd2 Bf4 34. e4 Qxe4 35. Qe1 Ne3+ 36. Kg1 Bh2+ {0-1 Ju,W (2544) -Tan,Z (2483) Wuxi 2013}) 13... Nxe5 14. b3 f5 15. Bb2 Nc6 16. Nd2 Nb4 17. Qc1 cxb3 18. axb3 c5 19. Nf3 Nd5 20. Qg5 Be7 $2 21. Qh5+ $2 (21. Qxg7 Bf6 22. Bxf6 Rxg7 23. Bxg7 $18) 21... g6 22. Qh6 Bf8 23. Qc1 Bg7 24. Bxg7 Rxg7 25. Ra5 a6 26. Qa1 O-O 27. Rxa6 Nc3 28. Rdd6 Nxe2+ 29. Kf1 Qb7 30. Rac6 Nd4 31. Nxd4 cxd4 32. Qxd4 Re7 33. Qe5 Rfe8 34. h4 Kf7 35. h5 Rd8 $4 (35... b4 $14) 36. hxg6+ hxg6 37. Rxe6 Rd1+ 38. Ke2 Qd7 {1-0 Kozul,Z (2594)-Saric,A (2587) Zagreb 2016}) 13. Qe4 (13. a4 $5) 13... Qc8 14. Qg4 g5 $2 15. Qh5 $1 $18 Nc5 (15... b4 16. Ne4 Rb5 17. Nxg5 Bxg5 18. Bxg5 Rxe5 19. Qh6 $18) 16. Bxg5 c6 (16... Bxg5 17. Qxg5 b4 18. Nb1 $18) 17. Rd4 (17. Bf6 $1) 17... Rd7 18. Bxe7 Kxe7 19. Qh4+ Ke8 20. Rad1 Qd8 21. Qf4 Rxd4 22. Rxd4 Qb6 23. Rd6 Rf8 24. Ne4 Nxe4 25. Qxe4 Qb7 26. Rxc6 Kd7 {Other moves are also hopeless - Black's king is too exposed.} 27. Qd4+ $1 {A nice finish. If Black takes the rook on c6 she is mated with 28. Qc6#, and after 27...Ke8 28.Qc5 Kd7 29.Qd6+ Ke8 30.Rc7 Black loses the queen.} 1-0 [Event "WCh Women 2018"] [Site "Chongqing/Shanghai CHN"] [Date "2018.05.06"] [Round "3"] [White "Ju, Wenjun"] [Black "Tan, Zhongyi"] [Result "1-0"] [ECO "E04"] [WhiteElo "2571"] [BlackElo "2522"] [PlyCount "53"] [EventDate "2018.05.03"] 1. d4 d5 2. c4 e6 {No Queen's Gambit Accepted this time.} 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nc6 6. O-O Rb8 7. Nc3 b5 8. Ne5 Nxe5 9. dxe5 Nd7 10. Qc2 (10. Qd4 c5 11. Qf4 Qc7 12. b3 b4 13. Ne4 Qxe5 14. Qxe5 Nxe5 15. Bf4 f6 16. bxc4 Be7 17. Rfd1 Rb6 {Miton,K (2614)-Dragun,K (2599) Poland 2016}) 10... Bb7 11. Bxb7 Rxb7 12. Rd1 Be7 $146 (12... Qc8 13. a4 b4 14. Nb5 a6 15. Nd4 c5 16. Nf3 c3 17. bxc3 b3 18. Qb2 c4 19. Bf4 Be7 {Ju Wenjun (2544)-Tan Zhongyi (2483) Wuxi CHN 2013}) 13. Qe4 Qc8 14. Qg4 g5 $2 {Way too risky.} (14... g6 {was safer, e.g.} 15. Bh6 Nxe5 16. Qf4 Nd7 17. Bg7 Rg8 18. Qh6 Nf6 {and Black is hanging on.}) 15. Qh5 $1 Nc5 (15... Nxe5 16. Ne4 $1 {is also bad for Black.}) 16. Bxg5 {Black is already lost here; the black king is just not safe enough.} c6 17. Rd4 Rd7 18. Bxe7 Kxe7 19. Qh4+ Ke8 20. Rad1 Qd8 21. Qf4 Rxd4 22. Rxd4 Qb6 23. Rd6 Rf8 24. Ne4 Nxe4 25. Qxe4 Qb7 26. Rxc6 Kd7 27. Qd4+ $1 (27. Qd4+ Kxc6 28. Qd6#) 1-0 [Event "Chongqing/Shanghai CHN"] [Site "Chongqing/Shanghai CHN"] [Date "2018.05.07"] [Round "4"] [White "Tan, Zhongyi"] [Black "Ju, Wenjun"] [Result "1-0"] [ECO "A45"] [WhiteElo "2522"] [BlackElo "2571"] [Annotator "Bojkov, Dejan"] [PlyCount "69"] [EventDate "2018.05.03"] 1. d4 Nf6 2. Bg5 d5 3. Nd2 {The Torre Attack is a dangerous weapon for White. It was once a favourite opening of the ninth world champion Tigran Petrosian.} Nbd7 4. Ngf3 h6 5. Bh4 c5 6. e3 e6 7. c3 Be7 8. Bd3 Qc7 ({Another plan is:} 8... a6 9. a4 b6 10. O-O O-O 11. Ne5 Nxe5 12. dxe5 Nd7 {as in Duda,J (2717) -Jumabayev,R (2612) Riadh 2017}) 9. Qe2 O-O 10. O-O b6 11. Bxf6 $146 {For her intended set-up Tan does not need this bishop.} ({The only predecessor saw a quick draw after:} 11. Rfe1 Bb7 12. Rad1 Rac8 13. Bb1 {1/2-1/2 (13) Sale,S (2404)-Adzic,S (2151) Ulcinj 2014}) 11... Nxf6 (11... Bxf6 $5 {can be met with} 12. e4 $5) 12. Ne5 Bb7 13. f4 {The point behind White's play. She achieves a reversed Stonewall formation without the bad bishop on c1. White's plan is obvious: attack on the kingside.} Ne4 14. Rad1 Bd6 15. Qg4 f5 $1 {Very solid play by Ju.} ({After} 15... Nxd2 16. Rxd2 c4 17. Bc2 {f7-f5 would be needed anyway, but Black would miss her cementing knight on e4.}) 16. Qh3 ({Nothing reaches} 16. Qg6 Rf6) 16... Bxe5 ({Also good was the preliminary} 16... cxd4 17. exd4 Bxe5 18. fxe5 a5 {with the idea to swap off the light-squared bishops after Bb7-a6.}) 17. fxe5 Qe7 18. Qh5 Kh7 {Depriving the queen of the g6 square. } ({For instance, the above-mentioned plan of the bishop trade with} 18... a5 { will not be effective after} 19. Qg6 Ba6 $2 {Due to} 20. Nxe4 dxe4 ({Or} 20... fxe4 21. Rxf8+ {When} Kxf8 {is forced and then the queen sneaks into the black camp} (21... Qxf8 22. Qxe6+) 22. Bxa6 Rxa6 23. Qh7 $1 {with a win for White.}) 21. Bxa6 Rxa6 22. d5 $1 exd5 23. Rxf5 {with large advantage for White.}) ({ I wonder why didn't Black offer another trade} 18... Qg5 $5 {Without the queens } 19. Qxg5 ({Most likely Tan intended} 19. Qe2 {but then Black can start her own play with} c4 20. Bc2 b5) 19... Nxg5 {Black is in no danger of being checkmated.}) 19. Qe2 ({Premature is} 19. g4 $2 g6 20. Qh3 cxd4 21. exd4 Qg5) 19... Rac8 20. Rf4 $5 {To double the rooks and provoke the g7-g5 move.} Rf7 { Another solid prophylactical idea.} ({Weaker is} 20... g5 21. Rff1 {as we shall see later Black needs the g-pawn on a different square.}) 21. g4 { Consistently mounting kingside pressure.} Rcf8 ({White is not afraid of} 21... Qg5 22. Nxe4 dxe4 23. Bc4) 22. Qg2 cxd4 23. cxd4 ({Or} 23. exd4 g6) 23... Nxd2 $2 {A very serious mistake. White is in complete control after the knight swap as she is obviously havng the better pieces.} ({Correct was} 23... g6 $1 { when the solid pawn construction on the kingside should survive any pawn storm. Say} 24. h4 ({Or} 24. Bxe4 fxe4 25. Rdf1 Rxf4 26. Rxf4 Rxf4 27. exf4 Qb4 $1) ({ And finally} 24. Rdf1 Qb4 $5 ({Or even} 24... g5 25. R4f3 Kh8 26. gxf5 exf5)) 24... Rg7 25. h5 $2 gxh5) ({Also the queenside counterplay is interesting-} 23... Qb4 24. gxf5 exf5 25. Nb1 Qa4 {keeping White busy. Although it is risky to send the queen too far away from the kingside.}) 24. Rxd2 g6 25. Qh3 $1 { Next Rd2-g2 and all the white pieces will be involved into the attack.} Bc8 ({ Any open file practically gives White unstoppable initiative-} 25... fxg4 26. Rxg4 Rg8 27. Rh4 Qf8 28. Qxe6 ({Or even better} 28. Rc2 $1)) ({This time the queenside counterplay does not help at all-} 25... Qb4 26. Rg2 fxg4 {On the contrary- Black will misss badly the queen on the kingside after} 27. Bxg6+ $1 Kxg6 28. Qxg4+ Kh7 29. Rxf7+ Rxf7 30. Qg8#) 26. Rg2 g5 $2 {A nervous move that makes things easier for the world champion. Ju should have stayed and hoped for her construction to hold.} 27. Rf3 Kg7 ({The last chance was} 27... Bd7 28. Qh5 Rg7 {intending Bd7-e8-g6.}) 28. Qh5 Bd7 29. h4 $1 {Black position collapses.} fxg4 ({It is mate after} 29... gxh4 30. gxf5+) 30. Qg6+ Kh8 31. Qxh6+ Kg8 32. Rxg4 Rg7 ({After} 32... Rxf3 {White first wins the queen} 33. Rxg5+ Qxg5+ 34. Qxg5+ Kf7 {Then the rook} 35. Bg6+ Kg7 36. Bf5+ Kf7 37. Qf6+ Ke8 38. Bg6+ {and the game.}) 33. Rf6 Qb4 {Allows a brilliancy.} 34. Qxg7+ $1 Kxg7 35. Rxg5+ (35. Rxg5+ Kh8 36. Rh6#) 1-0 [Event "Chongqing/Shanghai CHN"] [Site "Chongqing/Shanghai CHN"] [Date "2018.05.09"] [Round "5"] [White "Tan, Zhongyi"] [Black "Ju, Wenjun"] [Result "0-1"] [ECO "C24"] [WhiteElo "2522"] [BlackElo "2571"] [Annotator "Bojkov, Dejan"] [PlyCount "70"] [EventDate "2018.??.??"] 1. e4 e5 2. Bc4 {The Bishop opening is often used to avoid the Petroff Defense. } Nf6 3. d3 c6 ({When she faced 2.Bc4 for the first time, Ju played} 3... Bc5 4. Nc3 Nc6 5. Bg5 h6 6. Bh4 Be7 7. Bg3 d6 8. a4 O-O 9. Nge2 Be6 {and lost after 55 moves in Naiditsch,A (2702)-Ju Wenjun (2574) Douglas (Isle of Man) 2017}) 4. Nf3 d5 ({Ju has only faced the Bishop Opening twice. In her other game she went} 4... Be7 5. O-O d6 6. Bb3 O-O 7. c3 Nbd7 8. Re1 Re8 9. d4 Bf8 10. Bc2 b6 11. Nbd2 Bb7 12. Nf1 Qc7 {Harika,D (2504)-Ju Wenjun (2567) Huai'an CHN 2017}) 5. Bb3 a5 (5... dxe4 $2 {is known to be bad after} 6. Ng5) 6. a4 Bb4+ {One of the good continuations for Black. Ju deprives the opponent's knight of the c3 square.} 7. c3 Bd6 8. O-O ({The alternative is:} 8. Nbd2 O-O 9. O-O Nbd7 10. Re1 Re8 11. h3 h6 12. Nf1 Nf8 13. Ng3 Ng6 {as in Leko, P (2691) -Li,C (2732) Riadh 2017}) 8... O-O 9. exd5 cxd5 10. Na3 ({Perhaps it makes sense to throw in} 10. Bg5 {first. For example:} Be6 11. Na3 Nbd7 12. Nb5 Bb8 13. Re1 Ra6 14. d4 e4 15. Nd2 h6 16. Bh4 g5 17. Bg3 {with a complicated position as in Patel,A (2410)-Yu,J (2279) Irving 2017}) 10... Nbd7 11. Re1 h6 { Now the Bc1 feels uncomfortable.} 12. Nb5 Bb8 13. d4 {Sooner or later White will have to fight for the center.} ({But it seems as} 13. h3 {should have been included first.}) 13... e4 14. Nd2 Nb6 15. f3 $146 {The point behind Tan's 13.d3-d4. However, it turns out that Black's center is more stable than it seems.} ({The only predecessor saw White burn in flames after:} 15. c4 Bxh2+ 16. Kxh2 Ng4+ 17. Kg3 f5 18. Nxe4 fxe4 19. f3 exf3 20. gxf3 Nf6 21. Re5 Nxc4 22. Bxc4 dxc4 23. Qe2 Qd7 24. Qh2 Qf7 25. Qh4 Ng4 26. f4 Nxe5 {0-1 (26) Schmieder,S (1709)-Ottenburg,R (1833) Frankfurt 2017}) 15... Re8 16. Bc2 Bd7 $1 {Super-calm and very good.} ({The immediate} 16... exf3 17. Rxe8+ Qxe8 18. Nxf3 {would lead to approximate equality.}) 17. Rb1 ({It turns out that the central pawn is immune-} 17. fxe4 Bg4 18. Nf3 dxe4 19. h3 Bxf3 20. gxf3 Qd7 {would be disastrous for the white king.}) 17... exf3 ({Also good is to bring the knight into the game with:} 17... Nc8 18. b3 Nd6) 18. Nxf3 Ne4 19. Ne5 {Not happy with the outcome of the opening, Tan decided to sacrifice a pawn.} ({The alternatives were no better-} 19. Be3 Nc4) ({Or} 19. Bd3 Qf6 {are both excellent for Black.}) 19... Bxe5 20. dxe5 Bxb5 {Subtle.} (20... Rxe5 21. Bf4 Rf5 22. Bc7 {leads to complications, which is exactly what White was hoping for. True, it is not too bad for Black after} Qf6 23. Nd4 Rg5 24. Qf3 Qxf3 25. Nxf3 Rg6 26. Ne5 Re6 27. Bxb6 Rxe5 {with approximate equality.}) 21. axb5 Rxe5 22. Be3 ({Here} 22. Bf4 Re6 {is good for the second player.}) 22... Re6 23. Bd4 {The dark-squared white bishop is an excellent piece, but Black's knights are great as well. Ju finds a way to bring them into their optimal squares. All in all, the compensation for the pawn is insufficient.} Nc4 24. Bd3 ({Or} 24. Qh5 Qg5 {but in hindsight this might have been White's best chance.}) 24... Qg5 25. b3 Ncd6 26. Rb2 Rae8 ({Also great was the immediate} 26... Nf5 $1 27. Bf2 Rae8) 27. Rbe2 Nf5 {Black's maneuvers were more usefuk than White's. She is close to winning.} 28. Bc2 Nh4 29. Qd3 Ng6 {Solid and good.} ({There was a tricky tactical idea as well:} 29... f5 30. Qh3 Nf2 $3 31. Kxf2 Qf4+ 32. Kg1 Rxe2 { with a win.}) 30. Be3 ({The last chance was} 30. Qf3 Nf4 31. Re3) 30... Qh5 31. c4 Ne5 $1 {This wins by force.} 32. Qd4 ({Instead} 32. Qxd5 {loses loads of material after} Nc3 33. Qd2 Nxe2+ 34. Rxe2 Ng4) 32... Rg6 33. Bxe4 dxe4 34. Kf1 (34. Qxe4 Nf3+ {drops the queen.}) 34... Nf3 $1 35. Qd7 ({Or mate after} 35. gxf3 Qh3+ 36. Kf2 Qg2#) 35... Nxh2+ (35... Nxh2+ {It is forced mate after} 36. Kg1 Nf3+ 37. Kf2 Qh4+) 0-1 [Event "?"] [Site "?"] [Date "2018.05.12"] [Round "6.1"] [White "Ju, Wenjun"] [Black "Tan, Zhongyi"] [Result "0-1"] [ECO "E01"] [WhiteElo "2571"] [BlackElo "2522"] [Annotator "Bojkov, Dejan"] [PlyCount "250"] [EventDate "2018.??.??"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 ({A famous compatriot of the ladies chose instead} 5. Nd2 {against the world champion:} O-O 6. Ngf3 b6 7. O-O Bb7 8. b3 c5 9. Bb2 {Ding,L (2777)-Carlsen,M (2837) Riadh 2017}) 5... Bd6 6. Nf3 O-O 7. O-O c6 8. Nc3 dxc4 9. Bg5 Nbd7 10. Ne4 Be7 11. Nxf6+ Bxf6 12. Bxf6 Qxf6 13. Qc1 e5 {Now the position resembles some lines of the Queen's Gambit Declined lines, with the only difference being that the white bishop is fianchettoed. As a rule the e6-e5 break frees Black's position and indicates that the worst is over for the second player.} 14. Qxc4 Re8 $1 $146 {A useful move and a novelty.} ({White was clearly better after} 14... Nb6 15. Qb4 exd4 16. Nxd4 Be6 17. Nxe6 Qxe6 18. a4 Rab8 19. e3 Nc4 20. Rfd1 g6 21. b3 Ne5 22. Rd6 Qf5 23. Rad1 {and the open d-file gave White the advantage in Belous,V (2566) -Grandelius,N (2628) Abu Dhabi 2015}) 15. dxe5 {Now Black does not experience any problems at all.} (15. e3 {seems more to the point, not fearing} e4 16. Nd2 Qg6 17. Qc2 Nf6 18. Nc4) 15... Nxe5 16. Qb3 Re7 $1 {Tan prepares the development of the light-squared bishop and keeps more pieces on the board. } (16... Nxf3+ {would have been equal instead after} 17. Bxf3 Bh3) 17. Nd4 Bg4 18. f3 ({Interesting was} 18. h3 {with the idea to meet} Bh5 {with} (18... c5 { leads to complications after} 19. hxg4 cxd4 20. g5 Qg6 21. Rad1 Rd8 22. Bxb7 { as} Rb8 {does not win material due to} 23. Rxd4) 19. f4 Nd7 20. e3) 18... Bd7 { A bluff?} ({Apparently Tan did not like to have her bishop excluded in case of } 18... Bh5) 19. Qc3 {Ju rejects the offer.} ({In vain! The line:} 19. Qxb7 Rae8 20. Qb3 {indeed promises Black full compensation for the pawn after} ({ However there is nothing too scary after} 20. Qb4 $1 h5 21. Nb3 {when Black's initiative is stopped.}) 20... Ng4 21. fxg4 ({Or} 21. Nxc6 Qxc6 22. fxg4 Qc5+ 23. Kh1 Bxg4) 21... Qxd4+ 22. Kh1 Qxg4 {and this even looks more comfortable for Black.}) 19... Rc8 {Black is doing fine again. Perhaps her position is even easier to play thanks to the queenside majority.For instance, every endgame is in Black's favor.} 20. Rad1 c5 21. Nc2 b5 {A bit rushy.} (21... Be6 {was more precise.}) 22. b3 $6 ({Ju should have grabbed her chance to centralize the knight with either} 22. Ne3 $1 {not fearing} Be6 23. Qxc5 $1) ({ or with} 22. Nb4 $1) 22... Qb6 {Tan's majority comes into motion and she is better.} (22... c4 {at once was excellent for Black too:} 23. bxc4 Rxc4) 23. Kh1 b4 ({Even better than} 23... c4 24. Nb4) 24. Qd2 Bc6 ({After the accurate} 24... Bb5 $1 25. Ne3 Rd7 26. Qb2 Qe6 {Black would have kept both the c4- and d5-squares under control.}) 25. Ne3 g6 26. Qc2 $6 ({Similar was} 26. Qb2 c4) ({ However} 26. f4 $1 Nd7 27. Nc4 {would have cemented Ju's position.}) 26... c4 $1 27. Nxc4 Nxc4 28. Qxc4 $1 {The best defense.} ({After} 28. bxc4 {Black regains the pawn with} Bb5 {and thanks to the potential outside passer on the b- or a-file will have clear edge.}) 28... Bb7 29. Qf4 ({The pawn cannot be saved:} 29. Qd3 Ba6) 29... Rxe2 30. Rd7 {This drives the black rook away from the open c-file.} Rf8 31. Rd2 Rxd2 32. Qxd2 Rd8 {White did everything she could and managed to keep the position symmetrical. Still, the world champion enjoys the more active pieces and has every reason to push for a win without any risk.} 33. Qf4 ({The endgame after} 33. Qf2 Qxf2 ({But Black can even avoid it with} 33... Qc7 $5 34. Qxa7 Rd2) 34. Rxf2 Rd1+ 35. Bf1 g5 36. h3 f5 37. Kh2 {is very unpleasant for White.}) 33... a5 34. h4 h5 ({Also good was} 34... Bc8 $5 {with the idea to transfer the bishop to e6 and support the a5-a4 advance. Black should not fear} 35. h5 {in this case as there is} (35. Kh2 Be6) 35... Rd5 $1 36. h6 Rh5+) 35. Kh2 Ba6 36. Rg1 {Apparently both players fell into time trouble and Ju plays as safe as she can.} (36. Re1 $1 {was more to the point, though, with the possible line} Qf2 37. Qf6 Rf8 38. Rd1 {intending Rd1-d8 and eventually a perpetual soon.}) 36... Qd6 ({Strong was} 36... Rd4 37. Qg5 Qd6 {with second-rank penetration.}) 37. Qg5 ({Black has clear edge in the endgame after} 37. Qxd6 Rxd6 38. g4 Rd2 39. gxh5 gxh5) 37... Qd5 38. Qf6 Rd6 39. Qb2 Re6 (39... Qd2 $5 {with the idea} 40. Qe5 Rd5 41. Qe4 Rc5 42. Qa8+ Bc8 {was good for Black, but apparently not for time-trouble.}) 40. Bf1 $5 { With her time-control reaching move Ju sacrifices a pawn and hopes to hold the major piece endgame.} ({To me this looks better than the passive defense after } 40. f4 Qd6 41. Rc1 ({Or} 41. Bf3 Re3 42. Rd1 Qc7) 41... Re3 {when Black can build as much pressure as she likes. For example:} 42. Bf1 Bb7 43. Bg2 Qd3 44. Rc2 Ba6 {when Black already wins the g3 pawn.}) 40... Qxf3 41. Bxa6 Rxa6 42. Rg2 Rf6 43. Qd4 ({Normally, White would be extremely happy to swap off the queenside pawns. But} 43. a3 Rc6 44. axb4 axb4 {leaves one more on b3 and it becomes a decisive weakness.} 45. Rf2 Qe3 46. Re2 Qc3) 43... Kh7 44. Qb2 Rf5 45. Qc2 Qe3 {In the next phase of the game both players carefully create (Tan) and parry (Ju) threats.} 46. Re2 Qd4 47. Kg2 Qd5+ 48. Qe4 Qd1 49. Re1 Qd2+ 50. Re2 Qc1 51. Re1 Qb2+ 52. Qe2 (52. Re2 Qa1 53. Kh2) 52... Qf6 53. Rc1 Re5 54. Qf3 Qe7 55. Rc2 Kg7 56. Qd3 Re3 57. Qd4+ Kh7 58. Rf2 {With the threat 59.Rxf7+. } Qb7+ 59. Kh2 Re1 60. Rg2 Qe7 61. Rf2 Re2 {Ju defended well; it is time to try the queen endgame.} 62. Qf4 Kg8 63. Qf3 Rxf2+ 64. Qxf2 Qe4 $1 {Behind the shield of her centralized queen Tan can improve the king.} 65. Qd2 Kg7 66. Qb2+ Kf8 67. Qd2 Qe5 68. Qd8+ Kg7 69. Qd2 Qc3 70. Qf2 Kf8 71. Qe2 Qd4 72. Qc2 Qe5 73. Qf2 Ke8 $1 74. Qg2 Qc5 75. Qa8+ Ke7 76. Qe4+ Kd8 77. Qd3+ Kc7 78. Qd2 f5 ({ So far} 78... Kc6 {brings the king nowhere after} 79. Qe2 Qd5 80. Qa6+ Kd7 81. Qe2) 79. Qe2 ({The other defense was:} 79. Qb2 {with the idea to activate the queen after} Kd6 (79... Qc3 80. Qe2) 80. Qf6+ Kd5 81. Qxg6 {True, it is unclear if White can survive after} Qf2+ 82. Kh3 Qf1+ 83. Kh2 Qe2+ 84. Kg1 Qg4 85. Qg5 Ke4 ({However} 85... Qxg5 {would be a draw after} 86. hxg5 Ke6 87. Kf2 Kf7 88. Ke3 Kg7 89. Kf3 {when both sides should avoid the mined squares on g6 and f4.})) 79... Kd7 80. Qd3+ Ke7 81. Qe2+ Kf7 82. Qd2 Ke6 83. Qe2+ Kd5 84. Qf3+ ({White has to be extremely careful not to allow the black king too close to hers. For instance} 84. Qd3+ Qd4 85. Qb5+ Ke4 $1 {wins for Black after} 86. Qxa5 Kf3 87. Qa8+ Qe4 {and this is a reoccurring theme for the endgame.}) 84... Kd6 85. Qd3+ Kc7 86. Qd2 Qe5 87. Qf2 Kc6 88. Qc2+ {So far Ju defended flawlessly, but here she makes a step in the wrong direction.} ({Best was:} 88. Qa7 $1 Qe2+ 89. Kh3 {when} Qxa2 {leads to perpetual after} ({Black can still play for a win after} 89... Qe4 90. Qa6+ (90. Qxa5 Qh1#) 90... Kd7 91. Qa7+) 90. Qa6+ Kc5 91. Qc4+) 88... Qc3 89. Qe2 Kd5 90. Qb5+ $2 {This really lets the king in!} ({Correct was} 90. Qa6 $1 Ke4 91. Qxg6 Qc2+ 92. Kh3 {when} Kf3 { is not decisive anymore-} (92... Qxa2 93. Qe6+ Kd4 94. Qc4+ {is the same old perpetual.}) 93. Qxh5+ Kf2 94. Qg5 Kg1 95. Qe3+) 90... Qc5 $2 ({Tan misses a chance:} 90... Ke4 $1 91. Qe2+ Qe3 92. Qc2+ Qd3 93. Qc6+ Ke3 94. Qxg6 Qe2+ 95. Kg1 Qf2+ 96. Kh1 Qf3+ 97. Kh2 Kf2 98. Qb6+ Kf1 {and Black wins.}) 91. Qd3+ Qd4 92. Qf3+ ({Once again there was} 92. Qa6 $1) 92... Qe4 93. Qd1+ Kc5 94. Qd2 Qf3 95. Qc2+ (95. Qd7 Qf2+ 96. Kh3 Qxa2) 95... Kd4 $1 {Finally, the king made it and crossed the equator of the board. Now the united efforts of the remaining black pieces seal the game.} 96. Qd2+ Ke4 97. Qc2+ Ke3 $1 98. Qc5+ Ke2 99. Qc2+ Ke1 100. Qc1+ Qd1 101. Qc6 (101. Qe3+ Qe2+ {trades the queens.}) 101... Qe2+ 102. Kh3 Qe4 103. Qc1+ Kf2 104. Qd2+ Qe2 105. Qd4+ Kf1 {It will take some time for Tan to arrange her pieces properly but she is always in control till the end.} 106. Qa1+ Kf2 107. Qd4+ Qe3 108. Qb2+ Ke1 109. Qb1+ Kd2 110. Qb2+ Kd1 111. Qb1+ Qc1 112. Qd3+ Qd2 113. Qb1+ Ke2 114. Qh1 Qe1 115. Qd5 Qf1+ 116. Kh2 Qf2+ 117. Kh3 Qf1+ 118. Kh2 Qf3 119. Qc4+ Kf2 120. Qc5+ Qe3 121. Qc2+ Qe2 122. Qc6 Kf1+ 123. Kh3 Kg1 124. Qc5+ Qf2 125. Qc1+ Qf1+ {A thriller!} 0-1